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Intangible Assets Including Goodwill (Tables) | 9 Months Ended
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Mar. 31, 2021
Finite-Lived Intangible Assets [Line Items] |
Schedule of Goodwill [Table Text Block] | The changes in the carrying value of goodwill by segment are as follows:
| Utility and Power Infrastructure |  | Process and Industrial Facilities |  | Storage and Terminal Solutions |  | Total
| (In thousands)
Net balance at June 30, 2020 | $ | 6,905 |  |  | $ | 26,846 |  |  | $ | 26,618 |  |  | $ | 60,369 |
Translation adjustment(1) | 70 |  |  | 27 |  |  | 139 |  |  | 236 |
Net balance at March 31, 2021 | $ | 6,975 |  |  | $ | 26,873 |  |  | $ | 26,757 |  |  | $ | 60,605 |
(1)The translation adjustments relate to the periodic translation of Canadian Dollar and South Korean Won denominated goodwill recorded as a part of prior acquisitions in Canada and South Korea, in which the local currency was determined to be the functional currency.
Schedule Of Intangible Assets Excluding Goodwill Table [Text Block] | Information on the carrying value of other intangible assets is as follows:
|  |  | At March 31, 2021
| Useful Life |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
| (Years) |  | (In thousands)
Intellectual property | 10 to 15 |  | $ | 2,483 |  |  | $ | (1,989) |  |  | $ | 494 |
Customer-based | 6 to 15 |  | 17,300 |  |  | (10,613) |  |  | 6,687 |
Total amortizing intangible assets |  |  | $ | 19,783 |  |  | $ | (12,602) |  |  | $ | 7,181 |
|  |  | At June 30, 2020
| Useful Life |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
| (Years) |  | (In thousands)
Intellectual property | 10 to 15 |  | $ | 2,579 |  |  | $ | (1,956) |  |  | $ | 623 |
Customer-based | 6 to 15 |  | 21,840 |  |  | (13,626) |  |  | 8,214 |
Total amortizing intangible assets |  |  | $ | 24,419 |  |  | $ | (15,582) |  |  | $ | 8,837 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] |
Period ending: |
Remainder of Fiscal 2021 | $ | 568 |
Fiscal 2022 | 1,817 |
Fiscal 2023 | 1,729 |
Fiscal 2024 | 1,416 |
Fiscal 2025 | 1,126 |
Fiscal 2026 | 167 |
Thereafter | 358 |
Total estimated remaining amortization expense at March 31, 2021 | $ | 7,181 |

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- Definition Schedule of intangible assets excluding goodwill. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13854-109267 + Details
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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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